Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “crossorigin” for attribute “crossorigin” on element “link”.
Attribute “label” not allowed on element “a” at this point.
Duplicate ID “hdrdtab”.
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
Attribute “hspace” not allowed on element “iframe” at this point.
Attribute “vspace” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “align” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “tag” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “img” element is obsolete. Use CSS instead.
No space between attributes.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “nocache” not allowed on element “img” at this point.
Duplicate attribute “class”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “hdrdtab” was here.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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